LARGE UP TACK
THREE DIMENSIONAL ANGLE
WHITE TRIANGLE CONTAINING SMALL WHITE TRIANGLE
PERPENDICULAR
OPEN SUBSET
VERTICAL BAR WITH HORIZONTAL STROKE
SQUARED LOGICAL OR
AND WITH DOT
LOWER RIGHT CORNER WITH DOT
LARGE DOWN TACK
LEFT AND RIGHT TACK
LONG LEFT TACK
WHITE CONCAVE-SIDED DIAMOND WITH LEFTWARDS TICK
WHITE SQUARE WITH LEFTWARDS TICK
MATHEMATICAL RIGHT WHITE TORTOISE SHELL BRACKET
MATHEMATICAL RIGHT FLATTENED PARENTHESIS